Finding the Fourth Proportional to 708,589,969.80, 1,062,884,954.70 and 625,366,309.20
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Solution
The fourth proportional to 708,589,969.80, 1,062,884,954.70 and 625,366,309.20 is: 938,049,463.80
Step by Step Solution
- Step 1: Write the proportion equation
708,589,969.80 : 1,062,884,954.70 = 625,366,309.20 : x - Step 2: Convert to fraction form
708,589,969.80/1,062,884,954.70 = 625,366,309.20/x - Step 3: Cross multiply
708,589,969.80x = 1,062,884,954.70 × 625,366,309.20 - Step 4: Simplify right side
708,589,969.80x = 664,692,441,224,948,224 - Step 5: Solve for x
x = 664,692,441,224,948,224/708,589,969.80 - Step 6: Final answer
x = 938,049,463.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.